. . Journal of the American Water Resources Association 33, 5: 1077-1090. According to Sam Pace, Housing Specialist with Seattle King County REALTORS®, Renton's PRADU program "…should serve as a model for cities throughout the Central Puget's Sound Region.". The dotted lines on the map to the right indicate the city limits. The total new impervious surface within the project limits is less than 50% of the existing impervious surface. Section 1.1 Drainage Review 1-11 . Help us address our state's housing crisis by getting involved. Common 128 impervious surfaces include, but are not limited to, roofs, walkways, patios, driveways, 129 parking lots, storage areas, areas that are paved, graveled or made of packed or oiled Ordinance 16264 7 130 earthen materials or other surfaces that similarly impede the natural infiltration of surface 131 and storm water. 3. The Impervious surfaces are items that prevent water from penetrating into the soil, such as driveways and rooftops. impervious surface limit. When the required number of protected trees cannot be retained, new trees, with a 2" caliper or greater, shall be planted. Instead of multiplying your rate by the total acreage of your parcel, we multiply your rate by only the number of impervious acres. A maximum of 35% of some lots in residential . review, per the King County Surface Water Design Manual (KCSWDM) any impervious surface that has been added since January 8, 2001, without an approved permit, will need to be included as a target surface for flow control mitigation. impervious-surface limits, forest-retention policies, stormwater detention, riparian-buffer maintenance, and protection of wetlands . 12. The second filtering process is the maximum number of iterations possible without dramatically altering the Impervious Surface Area (ISA) distribution. The City has adopted the 2009 King County Surface Water Design Manual (KCSWDM). . ☐ Other: c. Will impervious surfaces cover more than 10 percent of the portion of the lot within the floodplain? SURFACE WATER . 15.52.030 Comprehensive drainage and storm sewer plan. 1 (1) Purpose. impervious surface definition in the 2016 KCSWDM, if the pipe is used as an underdrain, . King County Surface Water Design Manual (KCSWDM), chapter I, section 1.1.2, "Full Drainage Review" as . KING COUNTY, WASHINGTON. On this day personally appeared before me: , to me known to be the individual(s) described in and who executed the within and foregoing instrument and acknowledged that they signed . Charging for Streets Many cities in the State charge their own streets for stormwater service. STORMWATER TECHNICAL GUIDE VII FEBRUARY 2015 Acronyms APN Assessor's Parcel Number BMP Best Management Practice CCRs Covenants, Conditions, and Restrictions CDP Census-Designated Place DMA Drainage Management Area (see Chapter 4) EISA Equivalent Impervious Surface Area, as defined in the PCRs HOA Home Owners Association HSG Hydrologic Soils Group (A, B, C, or D, as defined by NRCS) Impervious surface means a hard . Questions about the NLCD mapping zone 01 can be directed to the NLCD 2001 land cover mapping team at the National Center, EROS, Sioux Falls, SD (605) 594-6151 or mrlc@usgs.gov. Third, if the county wants to provide an exception to the forest retention requirement for agriculture similar to the impervious surface exception we will support it. Any subsequent changes to the attached interlocal agreement shall be submitted to the King County council for review. We also receive and maintain many different types of documents that must, by law or as a result of legislation, be filed with us. Some accessory structures do not require a Building permit depending on Include street lights and fire hydrants. For Impervious Surfaces Distribution for Eastern King County. King County or its municipal successors shall have a nonexclusive perpetual access . . Step 4: . The director shall determine the number of square feet of impervious surface in all nonsingle-family residential parcels, excluding agricultural and undeveloped parcels, and the total surface area of each parcel of real property, through the records of the King County assessor and through aerial photographic or geographic information system . having a limit to the amount of impervious surface allowed on the property for the purpose of limiting stormwater flows and is subject to the following restrictions. Examples of impervious surfaces include sidewalks, driveways, roofed areas (houses, porches, etc. Article II. Identified by King County Assessor tax parcel number 409710-0055 SEPA Determination: The proposal is categorically exempt from SEPA pursuant to WAC 197-11 . 13. This category will define areas with generally high-runoff values, high-erosion potential, and little or no opportunity to support substantial vegetation, either due to poor soil conditions . Parking facilities, and other surfaces subject to vehicular use, are assumed to be pollution - generating impervious surface. To determine if impervious surfaces have been added since Site Areas Worksheet, continued Article I. • At least 4 feet of the 10-foot driveway width must be amended soil planted with grass • The Section C.2.9 Reduced Impervious Surface CreditReduced Impervious Surface Credit C-98 . IMC 18.07 contains the District Standards Table, which has pertinent information on setbacks and impervious surface based on your zoning in the greater Issaquah area. Preservation of aquatic resources in developing areas will require integrated mitigation, which must including impervious-surface limits, forest-retention policies, stormwater detention, riparian-buffer maintenance, and protection of wetlands and unstable slopes. This addendum to the 2016 King County Surface Water Design Manual (KCSWDM) applies to . The databases contain full text or scanned copies of many of these documents, and descriptions of others along with information about how to get copies. District and is subject to impervious surface limitations. Tweet. By exclusion, null value areas imply vegetated or water. King County, Washington 4-17 May 2014 4.1.4.1. . A maximum of 35% of some lots in residential . 1990. the City of North Bend that creates between 2,000 and 5,000 sf of new impervious surface, replaced impervious surface, or new plus replaced impervious surface, OR 7,000 square feet . Program DESIGN MANUAL . In 2016, the City of Kirkland adopted the 2016 King County Surface Water Design Manual (KCSWDM). The program funds construction and maintenance of drainage and flood-control systems designed to limit the flooding and erosion caused by increasing development in the county's unincorporated areas. King County GIS Center King Street Center 201 S. Jackson St. Suite 706 Seattle, WA 98104 giscenter@kingcounty.gov + 47.59909 N - 122.33136 W + 47° 35' 56.72" Exception: The 10 percent limit may be exceeded if: The maximum lot coverage allowance of LUC 20.20.010 is not exceeded. 19.110.080 Increases to single-story construction limits - City center core and frame. Girls Clubs of King County for various approvals and permits to allow construction of the PEAK project (hereafter "the Project"). King County Water and Land Resources Division. The maximum allowed density is 26 units per acre. PASSED thi s 2.-z,JL day of ~,19. Visit our Online Permits website or call (253) 798-4900 or (253) 798-7290. The Office of the City Clerk keeps the records of the City Council and makes them available to the public. Overall non-vegetated surface extent will be quantifiable by summing those areas in this category with those in the Impervious-Constructed Surface category. As required by this manual, development projects that create more than 2,000 sf of new and/or replaced impervious surface must evaluate LID facilities to the maximum extent feasible and include amended soil in all landscaped areas. As required by this manual, development projects that create more than 2,000 sf of new and/or replaced impervious surface must evaluate LID facilities to the maximum extent feasible and include amended soil in all landscaped areas. How can I check the status of my site development permit? clearing limits/minimize clearing . Maximum Impervious Surface Limits for the Property. The second and third-most dominant cover types are grass (21%) and shrub cover (21%) with . COUNTY OF KING )ss. • Storm Drainage Policy D-12 of the COK Pre-Approved Plans. Impervious surfaces are items that prevent water from penetrating into the soil, such as driveways and rooftops. King County Surface Water Management . King, Pierce, Clark, and Snohomish Counties, as well as the Cities of Tacoma . Impervious area is the amount of surface area that water cannot penetrate. Chapter 15.52SURFACE WATER MANAGEMENT. creates between 2,000 - 5,000 square feet of new impervious surface area is required to undergo Small Project Drainage Review. • Core Requirement #5 of the 2016 King County Stormwater Design Manual (KCSWDM), and Appendix D of the KCSWDM (1.2.5.2.C/D.2.3.3). 2. (3) Modifications. • Parks has negotiated a 27% limit on impervious surfaces within the property lines (the fund normally limits to 15%; the extra is taken from the parcel to the north). The rule applies to all . For Impervious Surfaces Distribution for Eastern King County. supra note 128 (describing original proposal to limit effective impervious surface area to 10%); see Ervin, supra note 127, at D1 (reporting on proposed modifications to the Ordinance that . agricultural projectthat results in 2,000 square feet or more of new impervious surface,replaced impervious surface, ornew plusreplaced impervious surface, or 7,000 square feet or more ofland disturbing activity,and meets one of the following criteria: • the project will result in no more than 10,000 square feet of total impervious surfaceadded … WHEEL STRIP DRIVEWAY DESIGN REQUIREMENTS for the typical 10-foot driveway width: • The two pavement strips must be no more than 2.5-feet wide. feet of impervious surface coverage are allowed on the PROPERTY. Identified by King County Assessor tax parcel number 192405 -9180 SEPA Compliance: The proposal is categorically exempt from SEPA pursuant to WAC 197-11- 800(6)(e ). . Kitsap County 2016 Comprehensive Plan Update Appendix F 7 November 2015 Basin No Action Zoning Total Area (Acres) Low Impervious Surface Estimate (Acres) High Impervious Surface Estimate (Acres) Forest Resource Lands 393 10 10 Incorporated City 10,663 2,495 2,495 Industrial 37 26 26 Lake 468 2 2 Rural Protection 5,139 2,281 2,281 plaza, connection to King County improvements and will reference the South Park Green Space Vision Plan. As we have seen, excessive clearing and impervious surfaces create serious public harm and the Court of Appeals in the Sims Toggle navigation. (2) Affordable housing defined. Existing impervious surfaces to remain within the project limits include the existing seminary building . King County GIS Center King Street Center 201 S. Jackson St. Suite 706 Seattle, WA 98104 giscenter@kingcounty.gov + 47.59909 N - 122.33136 W + 47° 35' 56.72" Check the King County Parcel Viewer. MRLC 1992 classification (1 band)3. Utilities: Include the location of all existing and proposed utilities below and above the ground. If you are unaware of who your development engineer is, contact Mitch Brells, Development Engineering Area Supervisor, at (253) 798-3755. . Pathways and surfaces under canopy of trees are excepted. Share. Small playgrounds for children are allowed, within the 15% non-vegetative impervious surface limit described below, not to exceed 5,000 square feet, and compatible with the other open space values of the property. CSO Combined Sewer Overflow Constructed conveyance system facilities ERDAS Imagine Procedures Step 1: Mosaic Products from V Utilizing the feathering option for image overlap, mosaic the categorized panels into one file. elL-­ ~C~Of. Evans Creek Basins as part of the King County Surface Water Management Program. 15.52.040 Work contracted out. . 5,000 square feet of new and replaced impervious surfaces, or proposes more than 7,000 square feet of land disturbing activity, and meets one of the following criteria: Less than 3/4 of an acre (32,670 square feet) of new pervious surface AND Meets one of Threshold Criteria #1 through #6 listed within Section 1.1.2.1 of the SWDM One way to limit it is to assume that the DNR's training sets are a representative sample to be . Appendix C of the KCSWDM explains the submittal requirements for Small Project Drainage Lot Coverage: The percentage determined by dividing (a) the area of a lot covered by the total (in square feet) of: (1) the footprint of the main Identified by King County Assessor tax parcel number 810610 -0090 SEPA Determination: The proposal is categorically exempt from SEPA pursuant to WAC 197-11 - Limits/Minimize Clearing . 98195-2700; Senior Hydrologist, King County Water and Land Resources Divi-sion, 201 South Jackson Street, Suite 600, Seattle, Washington 98104-3855; and Associate Professor, Daniel B. Warnell School of Forest Island County's Shoreline Master Program (SMP) regulates shorelines, including all marine waters surrounding Whidbey, Camano, and smaller islands, and lakes 20 acres or larger. Once this limit is reached with the impervious surface area, no further development can occur on site. or other surfaces that similarly impede the natural infiltration of surface and storm water. Impervious surfaces are considered ineffective if: 1) the runoff is fully dispersed as described in Appendix C of this manual; 2) residential roof runoff is infiltrated in Impervious surface and hardscape calculations show the square footage of all impervious surfaces and/or hard surface coverage on-site in . Impervious surfaces are items that prevent water from penetrating into the soil, such as driveways and rooftops. Yard Requirements Yard Dimension Front 20' or average of front yards on either side Rear 25' or 20% of lot depth (min. To verify whether you are being billed correctly, call Water and Land Resources Division customer services at 206-477-4800. ResearchWorks Archive. PEAK is proposed to comprise a 45,000 square . The second filtering process is the maximum number of iterations possible without dramatically altering the Impervious Surface Area (ISA) distribution. If, for example, we have a 1-acre site where 75% of the building ground floor area is dedicated to multifamily uses and 25% of the building ground floor area is dedicated to commercial uses, the impervious cover limit will be calculated by multiplying 75% of the gross site area (0.75 acres) by 60% (the multifamily use impervious cover limit . In 2016, the City of Kirkland adopted the 2016 King County Surface Water Design Manual (KCSWDM). To provide affordable housing to the citizens of Federal Way and to comply with the Growth Management Act and the county-wide planning policies for King County. Minimum 15,000 SF lots. Tukwila city limits and protects significant regional and local economic assets . If yes, describe how there will be no net increase in the rate and volume of stormwater surface runoff. Pitched roofs may exceed maximum height limit by 5' with a minimum 4:12 slope. New roadway is assumed to be pollution-generating impervious surface.